News by Levels · Level 1 · Student worksheet

Scientists Find a Possible Dwarf Planet

Name: __________________________ Date: __________________

Read the story

Scientists have found an object far away in our solar system. It is called 2026 ED138. It is farther from the Sun than Pluto. Scientists say it may be a dwarf planet.

The Rubin Observatory announced the discovery on October 27. Scientists need more observations to learn its size. They cannot yet say for certain that it is a dwarf planet.

Source: Vera C. Rubin Observatory, 2026-10-27. https://rubinobservatory.org/news/rubin-first-dwarf-planet-candidate

Read and practise

1. Where is 2026 ED138 compared with Pluto?

   1. Farther from the Sun
   2. Closer to the Sun
   3. At the same distance from the Sun

2. Why do scientists need more observations?

   1. To measure Pluto’s size
   2. To learn the object’s size
   3. To determine the date of Rubin’s announcement

Your turn

Describe where the object is and explain why scientists are not yet certain it is a dwarf planet.

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Read online: https://newsbylevels.com/news/rubin-dwarf-planet-candidate-ed138-october-2026/level-1/